Games like Senna and the Forest
Games like Senna and the Forest include Murders on the Yangtze River, Chants of Sennaar, The Room, Blue Prince, and Gorogoa. We matched them by the tags players give Senna and the Forest on Steam (Indie, Adventure, Puzzle, Singleplayer, and Investigation): closest matches first, and among equally close ones the better-known games.

Murders on the Yangtze River
Shared: Adventure · Puzzle · Indie

Chants of Sennaar
Shared: Adventure · Puzzle · Indie

The Room
Shared: Puzzle · Adventure · Singleplayer

Blue Prince
Shared: Puzzle · Investigation · Singleplayer

Gorogoa
Shared: Indie · Puzzle · Singleplayer

Firewatch
Shared: Adventure · Singleplayer · Indie

The Room Three
Shared: Puzzle · Adventure · Indie

Brothers - A Tale of Two Sons
Shared: Adventure · Indie · Puzzle

Duck Detective: The Secret Salami
Shared: Investigation · Adventure · Indie

The White Door
Shared: Indie · Adventure · Puzzle

Twelve Minutes
Shared: Indie · Adventure · Puzzle

Return of the Obra Dinn
Shared: Puzzle · Indie · Singleplayer

The Room Two
Shared: Puzzle · Adventure · Indie

The Roottrees are Dead
Shared: Puzzle · Investigation · Singleplayer

Samsara Room
Shared: Indie · Adventure · Puzzle

Outer Wilds
Shared: Adventure · Puzzle · Mystery

There Is No Game: Wrong Dimension
Shared: Indie · Puzzle · Adventure

Morphopolis
Shared: Indie · Puzzle · Adventure

Call of the Sea
Shared: Adventure · Puzzle · Indie

The Death Game Report
Shared: Adventure · Puzzle · Indie

Sally Face - Episode One
Shared: Indie · Puzzle · Adventure

The Last Campfire
Shared: Adventure · Puzzle · Indie

Servant of the Lake
Shared: Adventure · Puzzle · Indie

FAR: Lone Sails
Shared: Adventure · Singleplayer · Indie